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1.1.99.9: pyridoxine 5-dehydrogenase

This is an abbreviated version!
For detailed information about pyridoxine 5-dehydrogenase, go to the full flat file.

Reaction

pyridoxine
+
acceptor
=
Isopyridoxal
+
reduced acceptor

Synonyms

dehydrogenase, pyridoxol 5-, pyridoxal-5-dehydrogenase, pyridoxin 5-dehydrogenase, pyridoxine 5'-dehydrogenase, pyridoxine dehydrogenase, pyridoxol 5-dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.99 With unknown physiological acceptors
                1.1.99.9 pyridoxine 5-dehydrogenase

pH Range

pH Range on EC 1.1.99.9 - pyridoxine 5-dehydrogenase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 7
-
pH 5.0: about 30% of activity maximum, pH 7.0: 17% of activity maximum
6.4 - 9.5
-
activity at pH 9.5 in Tris is about 70% of that at pH 7.3 while activities at pH 6.4 and pH 6.0 in phosphate buffer are about 75% and 0% respectively of that at pH 7.3